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Posted to issues@spark.apache.org by "Joseph K. Bradley (JIRA)" <ji...@apache.org> on 2017/01/04 00:13:58 UTC

[jira] [Commented] (SPARK-16786) LDA topic distributions for new documents in PySpark

    [ https://issues.apache.org/jira/browse/SPARK-16786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15796648#comment-15796648 ] 

Joseph K. Bradley commented on SPARK-16786:
-------------------------------------------

[~supremekai] Thanks for the PR.  I'm sorry about the inactivity on this.  However, now that it has been added to the DataFrame-based API (in pyspark.ml), we will not be adding it to the RDD-based API.  I'll close this issue.

> LDA topic distributions for new documents in PySpark
> ----------------------------------------------------
>
>                 Key: SPARK-16786
>                 URL: https://issues.apache.org/jira/browse/SPARK-16786
>             Project: Spark
>          Issue Type: Improvement
>          Components: MLlib, PySpark
>    Affects Versions: 2.0.0
>         Environment: N/A
>            Reporter: Jordan Beauchamp
>            Priority: Minor
>              Labels: patch
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> pyspark.mllib.clustering.LDAModel has no way to estimate the topic distribution for new documents. However, this functionality exists in org.apache.spark.mllib.clustering.LDAModel. This change would only require setting up the API calls. I have forked the spark repo and implemented the changes locally



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